05d8c9acb8
env is used as a local variable all over the place and sometimes it is easy to get confused as to whether the global env or local env is being used. This will become especially important when I change the way we support our variants.
126 lines
4 KiB
Python
126 lines
4 KiB
Python
# -*- mode:python -*-
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# Copyright (c) 2004-2005 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Nathan Binkert
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import os, subprocess
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Import('main')
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elf_files = []
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def ElfFile(filename):
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elf_files.append(File(filename))
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ElfFile('elf_begin.c')
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ElfFile('elf_cntl.c')
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ElfFile('elf_data.c')
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ElfFile('elf_end.c')
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ElfFile('elf_fill.c')
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ElfFile('elf_flag.c')
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ElfFile('elf_getarhdr.c')
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ElfFile('elf_getarsym.c')
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ElfFile('elf_getbase.c')
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ElfFile('elf_getident.c')
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ElfFile('elf_hash.c')
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ElfFile('elf_kind.c')
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ElfFile('elf_memory.c')
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ElfFile('elf_next.c')
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ElfFile('elf_phnum.c')
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ElfFile('elf_rand.c')
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ElfFile('elf_rawfile.c')
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ElfFile('elf_scn.c')
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ElfFile('elf_shnum.c')
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ElfFile('elf_shstrndx.c')
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ElfFile('elf_strptr.c')
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ElfFile('elf_update.c')
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ElfFile('elf_version.c')
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ElfFile('gelf_checksum.c')
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ElfFile('gelf_dyn.c')
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ElfFile('gelf_ehdr.c')
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ElfFile('gelf_fsize.c')
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ElfFile('gelf_getclass.c')
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ElfFile('gelf_phdr.c')
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ElfFile('gelf_rel.c')
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ElfFile('gelf_rela.c')
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ElfFile('gelf_shdr.c')
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ElfFile('gelf_sym.c')
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ElfFile('gelf_symshndx.c')
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ElfFile('gelf_xlate.c')
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ElfFile('libelf.c')
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ElfFile('libelf_align.c')
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ElfFile('libelf_allocate.c')
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ElfFile('libelf_ar.c')
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ElfFile('libelf_checksum.c')
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ElfFile('libelf_data.c')
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ElfFile('libelf_ehdr.c')
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ElfFile('libelf_extended.c')
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ElfFile('libelf_phdr.c')
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ElfFile('libelf_shdr.c')
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ElfFile('libelf_xlate.c')
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ElfFile('libelf_convert.c')
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ElfFile('libelf_fsize.c')
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ElfFile('libelf_msize.c')
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m4env = main.Clone()
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if m4env['GCC']:
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major,minor,dot = [ int(x) for x in m4env['CXXVERSION'].split('.')]
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if major >= 4:
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m4env.Append(CCFLAGS=['-Wno-pointer-sign'])
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m4env.Append(CCFLAGS=['-Wno-implicit'])
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del m4env['CPPPATH']
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# If we have gm4 use it
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if m4env.Detect('gm4'):
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m4env['M4'] = 'gm4'
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# Check that m4 is available
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import SCons.Tool.m4
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if not SCons.Tool.m4.exists(m4env):
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print "Error: Can't find version of M4 macro processor. " + \
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"Please install M4 and try again."
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Exit(1)
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m4env.Append(M4FLAGS='-DSRCDIR=%s' % Dir('.').path)
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m4env['M4COM'] = '$M4 $M4FLAGS $SOURCES > $TARGET'
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m4env.M4(target=File('libelf_convert.c'),
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source=[File('elf_types.m4'), File('libelf_convert.m4')])
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m4env.M4(target=File('libelf_fsize.c'),
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source=[File('elf_types.m4'), File('libelf_fsize.m4')])
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m4env.M4(target=File('libelf_msize.c'),
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source=[File('elf_types.m4'), File('libelf_msize.m4')])
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# Build libelf as a static library with PIC code so it can be linked
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# into either m5 or the library
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m4env.Library('elf', [m4env.SharedObject(f) for f in elf_files])
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main.Prepend(CPPPATH=Dir('.'))
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main.Append(LIBS=['elf'])
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main.Prepend(LIBPATH=[Dir('.')])
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